package com.htht.smartschool.util.createBean;

import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.Iterator;  
import java.util.Map;  
import java.util.Set;  
  


import net.sf.cglib.beans.BeanGenerator;  
import net.sf.cglib.beans.BeanMap;  
  
/** 
 *  
 * @author ajun 
 * 
 */  
public class DynamicBean {  
  
    /** 
      * 实体Object 
      */  
    private  Object object = null;  
  
    /** 
      * 属性map 
      */  
    private  BeanMap beanMap = null;  
  
    public DynamicBean() {  
        super();  
    }  
      
    @SuppressWarnings("unchecked")  
    public DynamicBean(Map propertyMap) {  
      this.object = generateBean(propertyMap);  
      this.beanMap = BeanMap.create(this.object);  
    }  
  
    /** 
      * 给bean属性赋值 
      * @param property 属性名 
      * @param value 值 
      */  
    public void setValue(String property, Object value) {  
      beanMap.put(property, value);  
    }  
  
    /** 
      * 通过属性名得到属性值 
      * @param property 属性名 
      * @return 值 
      */  
    public Object getValue(String property) {  
      return beanMap.get(property);  
    }  
  
    /** 
      * 得到该实体bean对象 
      * @return 
      */  
    public Object getObject() {  
      return this.object;  
    }  
  
    /** 
     * @param propertyMap 
     * @return 
     */  
    @SuppressWarnings("unchecked")  
    private Object generateBean(Map propertyMap) {  
      BeanGenerator generator = new BeanGenerator();  
      Set keySet = propertyMap.keySet();  
      for (Iterator i = keySet.iterator(); i.hasNext();) {  
       String key = (String) i.next();  
       generator.addProperty(key, (Class) propertyMap.get(key));  
      }  
      return generator.create();  
    }  
      
    public static void main(String[] args) throws ClassNotFoundException {  
    	  
        // 设置类成员属性  
        HashMap propertyMap = new HashMap();  
  
        propertyMap.put("id", Class.forName("java.lang.Integer"));  
  
        propertyMap.put("name", Class.forName("java.lang.String"));  
  
        propertyMap.put("address", Class.forName("java.lang.String"));  
  
        // 生成动态 Bean  
        DynamicBean bean = new DynamicBean(propertyMap);  
  
        // 给 Bean 设置值  
        bean.setValue("id", new Integer(123));  
        bean.setValue("id", new Integer(456));  
        bean.setValue("name", "454");  
        bean.setValue("name", "111"); 
        bean.setValue("address", "789");  
  
        // 从 Bean 中获取值，当然了获得值的类型是 Object  
  
        System.out.println("  >> id      = " + bean.getValue("id"));  
  
        System.out.println("  >> name    = " + bean.getValue("name"));  
  
        System.out.println("  >> address = " + bean.getValue("address"));  
  
        // 获得bean的实体  
        Object object = bean.getObject();  
  
        // 通过反射查看所有方法名  
        Class clazz = object.getClass();  
        Method[] methods = clazz.getDeclaredMethods();  
        System.out.println(methods);
        for (int i = 0; i < methods.length; i++) {  
            System.out.println(methods[i].getName());   
        }  
    }  
} 
